The following data represent the score of 72 students in an exam. Construct the frequency distribution :table and then answer the question 2 45 61 76 57 80 49 60 58 46 24 55 79 12 14 66 15 70 69 22 60 93 50 7 97 80 37 77 68 36 89 39 44 13 33 99 11 + 56 10 70 92 47 22 45 31 59 41 81 33 26 53 42 11 75 12 17 65 59 9 67 39 55 25 66 88 57 44 93 26 77 87 10 The arithmetic mean of the .4 data according to frequency * :distribution table is 55.5 O 51.5 O 49.5 none of all above